ISO Hex Head Screw Per. ISO 4014 DIN 931 ISO 4014, ISO 4016, ISO 4017, ISO 4018

ISO Hardware Engineering Data | ANSI Hardware Engineering Data

The following are dimensional specifications tabkles for the following ISO Hex Head bolts, ISO 4014, ISO 4016, ISO 4017, ISO 4018

ISO 4014 specifies the characteristics of hexagon head bolts with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10 d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10 d or 150 mm, whichever is the shorter.

ISO 4014

ISO 4014 Hex Head Size Specifications Table

Nominal Dia Thr Pitch Thread Dia Body Dia Flat Width Head Height Length Thread Length
M1.6X.35 1.6000 1.6000 3.2000 1.2250 12, 16 9
M2X.4 2.0000 2.0000 4.0000 1.5250 16, 20 10
M2.5X.45
2.5000
2.5000
5.0000
1.8250
16, 20, 25 11
M3X.5 3.0000 3.0000 5.5000
2.1250
20 to 30 by 5 12
M4X.7
4.0000
4.0000
7.0000
2.9250
25 to 40 by 5 14
M5X0.8
5.0000
5.0000
8.0000
3.6500
25 to 50 by 5 16
M6X1
6.0000
6.0000
10.0000
4.1500
30 to 50 by 5, 60 18
M8X1.25
8.0000
8.0000
13.0000
5.4500
40 to 70 by 5, 80 22
M10X1.5
10.0000
10.0000
16.0000
6.5800
45 to 70
by
5, 80, 90, 100
26
M12X1.75
12.0000
12.0000
18.0000
7.6800
50 to 70
by
5, 80 to 120 by 10
30
M16X2
16.0000
16.0000
24.0000
10.1800
65, 70 to 160 by 10 38, 44
M20X2.5
20.0000
20.0000
30.0000
12.7150
80 to 160
by
10, 180, 200
46, 52
M24X3
24.0000
24.0000
36.0000
15.2150
90 to 160
by
10, 180 to 240 by 20
54, 60, 73
M30X3.5
30.0000
30.0000
46.0000
19.1200
110 to 160
by
10, 180 to 300 by 20
66, 72, 85
M36X4
36.0000
36.0000
55.0000
22.9200
140, 150, 160, 200 to 360
by 20
84, 97
M42X4.5
42.0000
42.0000
65.0000
26.4200
160 to 440 by 20 96, 109
M48X5
48.0000
48.0000
75.0000
30.4200
180 to 480 by 20 108, 121
M56X5.5
56.0000
56.0000
85.0000
35.5000
220 to 500 by 20 137
M64X6 64.0000 64.0000 95.0000 40.5000 260 to 500 by 20 153



ISO 4016 specifies the characteristics of hexagon head bolts with threads from M5 up to and including M64, of product grade C.

ISO 4016

ISO 4016 Hex Head Size Specifications Table

 
Nominal Dia Thr Pitch Thread Dia Flat Width Head Height Length Thread Length
M5X0.8
5.0000
8.0000
3.8750
25 to 50 by 5 16
M6X1
6.0000
10.0000
4.3750
30 to 50 by 5, 60 18
M8X1.25
8.0000
13.0000
5.6750
40 to 70 by 5, 80 22
M10X1.5
10.0000
16.0000
6.8500
45 to 70 by 5, 80, 90, 100 26
M12X1.75
12.0000
18.0000
7.9500
55 to 70 by 5, 80 to 120 by 10 30
M16X2
16.0000
24.0000
10.7500
65, 70 to 160 by 10 38, 44
M20X2.5
20.0000
30.0000
13.4000
80 to 160 by 10, 180, 200 46, 52
M24X3
24.0000
36.0000
15.9000
100 to 160
by
10, 180 to 240 by 20
54, 60, 73
M30X3.5
30.0000
46.0000
19.7500
120 to 160
by
10, 180 to 300 by 20
66, 72, 85
M36X4
36.0000
55.0000
23.5500
140, 150, 160 to 360
by
20
84, 97
M42X4.5
42.0000
65.0000
27.0500
180 to 420 by 20 96, 109
M48X5
48.0000
75.0000
31.0500
200 to 480 by 20 108, 121
M56X5.5
56.0000
85.0000
36.2500
240 to 500 by 20 137
M64X6
64.0000
95.0000
41.2500
260 to 500 by 20 153

ISO 4017 specifies the characteristics of hexagon head screws with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10 d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10 d or 150 mm, whichever is the shorter.

ISO 4017 Hex Head Size Specifications Table

Nominal Dia Thr Pitch
Thread Dia
Flat Width
Head Height
Thread Dist
Length
M1.6X.35
1.6000
3.2000
1.2250
1.0500
2 to 6 by 1, 8, 10, 12, 16
M2X.4
2.0000
4.0000
1.5250
1.2000
4, 5, 6 to 12 by 2, 16, 20
M2.5X.45
2.5000
5.0000
1.8250
1.3500
5, 6 to 12 by 2, 16, 20, 25
M3X.5
3.0000
5.5000
2.1250
1.5000
6 to 12 by 2, 16, 20, 25, 30
M4X.7
4.0000
7.0000
2.9250
2.1000
8, 10, 12, 16, 20 to 40 by 5
M5X0.8
5.0000
8.0000
3.6500
2.4000
10, 12, 16, 20 to 50 by 5
M6X1
6.0000
10.0000
4.1500
3.0000
12, 16, 20 to 60 by 5
M8X1.25
8.0000
13.0000
5.4500
4.0000
16, 20 to 70 by 5, 80
M10X1.5
10.0000
16.0000
6.5800
4.5000
20 to 70 by 5, 80, 90, 100
M12X1.75
12.0000
18.0000
7.6800
5.3000
25 to 70
by
5, 80 to 120 by 10
M16X2
16.0000
24.0000
10.1800
6.0000
30 to 70
by
5, 80 to 160
by
10, 180, 200
M20X2.5
20.0000
30.0000
12.7150
7.5000
40 to 70
by
5, 80 to 160
by
10, 180, 200
M24X3
24.0000
36.0000
15.2150
9.0000
50 to 70
by
5, 80 to 160
by
10, 180, 200
M30X3.5
30.0000
46.0000
19.1200
10.5000
60, 65, 70 to 160 by 10, 180, 200
M36X4
36.0000
55.0000
22.9200
12.0000
70 to 160 by 10, 180, 200
M42X4.5
42.0000
65.0000
26.4200
13.5000
80 to 160 by 10, 180, 200
M48X5
48.0000
75.0000
30.4200
15.0000
100 to 160 by 10, 180, 200
M56X5.5
56.0000
85.0000
35.5000
16.5000
110 to 160 by 10, 180, 200
M64X6
64.0000
95.0000
40.5000
18.0000
120 to 160 by 10, 180, 200


ISO 4018 specifies the characteristics of hexagon head screws with threads from M5 up to and including M64, of product grade C.

Per. ISO 4018
ISO 4018 Hex Head Size Specifications Table
Nominal Dia Thr Pitch
Thread Dia
Flat Width
Head Height
Thread Dist
Length
M5X0.8
5.0000
8.0000
3.8750
2.4000
10, 12, 16, 20 to 50 by 5
M6X1
6.0000
10.0000
4.3750
3.0000
12, 16, 20 to 60 by 5
M8X1.25
8.0000
13.0000
5.6750
4.0000
16, 20 to 70 by 5, 80
M10X1.5
10.0000
16.0000
6.8500
4.5000
20 to 70 by 5, 80, 90, 100
M12X1.75
12.0000
18.0000
7.9500
5.3000
25 to 70 by 5, 80 to 120 by 10
M16X2
16.0000
24.0000
10.7500
6.0000
30 to 70 by 5, 80 to 160 by 10
M20X2.5
20.0000
30.0000
13.4000
7.5000
40 to 70 by 5, 80 to 160 by 10, 180, 200
M24X3
24.0000
36.0000
15.9000
9.0000
50 to 70 by 5, 80 to 160 by 10, 180 to 240 by 20
M30X3.5
30.0000
46.0000
19.7500
10.5000
60, 65, 70 to 160 by 10, 180 to 300 by 20
M36X4
36.0000
55.0000
23.5500
12.0000
70 to 160 by 10, 180 to 360 by 20
M42X4.5
42.0000
65.0000
27.0500
13.5000
80 to 160 by 10, 180 to 420 by 20
M48X5
48.0000
75.0000
31.0500
15.0000
100 to 160 by 10, 180 to 480
by 20
M56X5.5
56.0000
85.0000
36.2500
16.5000
110 to 160 by 10, 180 to 500
by 20
M64X6
64.0000
95.0000
41.2500
18.0000
120 to 160 by 10, 180 to 500
by 20

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